#liangziOnline {
  *{
    box-sizing: border-box;
  }
  .menuwrapper{
    height: 44px;
    max-width: 640px;
    min-width: 320px;
    width:100%;
    position: fixed;
    top:0;
    background: white;
    z-index: 3;
  }
  .menu{
    height:44px;
    display: flex;
    background: white;
    text-align: center;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #f2f2f2;
  }
  .btn{
    flex:1;
    -webkit-flex: 1;
    color: rgb(153,153,153);
    padding: 10px 0;
    font-size: 16px;
    height:100%;
    margin: 0 30px;
  }
 a.courseItem{
   display: block;
    box-sizing: border-box;
    padding: 14px 14px 10px 80px;
    background: white;
    margin-bottom: 12px;
    position: relative;
    min-height: 94px;
  }
  .page{
    box-sizing: border-box;
    padding-top: 54px;
  }
  .page{
    display: none;
  }
  .show{
    display: block;
  }
  #homebtn .item:nth-child(2){
    background: url('../images/icon_2_active.png') center center/ auto 35px no-repeat;
  }
  .active{
    color: $blue;
    border-bottom: 1px solid $blue;
  }
  img.avatar,.typeicon{
    width: 60px;
    height: 60px;
    position: absolute;
    left: 10px;
    top: 14px;
  }
  .typeicon{
    background: url("") center center/20px 20px no-repeat;
  }
  legend{
    padding: 0 50px 0 0;;
    width:100%;
    font-size: 16px;
    color:rgb(51,51,51);
    line-height: 1.4;
    text-align:justify;
  }
  .authorbox{
    color: rgb(102,102,102);
    margin-bottom: 8px;
    .author{
      font-size: 14px;
    }
    time{
      float: right;
      font-size: 12px;
    }
  }
  .iconBox{
    color: rgb(153,153,153);
    line-height: 16px;
    line-height: 16px;
    span{
      vertical-align: middle;
    }
  }
  span.price{
    font-size:16px;
    color: rgb(241,65,65);
    float: right;
  }
  span.video{
    padding: 0 r(72) 0 18px;
    background: url("") left center/14px 13px no-repeat;
  }
  span.follow{
    padding: 0 r(72) 0 23px;
    background: url("") left center/18px 15px no-repeat;
  }
  span.star{
    padding-left: 18px;
    background: url("") left center/14px 13px no-repeat;
  }
  span.audio{
    padding: 0 r(72) 0 18px;
    background: url("") left center/12px 14px no-repeat;
  }
  .audioicon{
    background: url("") center center/20px 20px no-repeat;
  }
  span.article{
    padding: 0 r(72) 0 18px;
    background: url("") left center/12px 13px no-repeat;
  }
}